Bump aiobotocore from 2.12.2 to 2.12.3

Bumps [aiobotocore](https://github.com/aio-libs/aiobotocore) from 2.12.2 to 2.12.3.
- [Release notes](https://github.com/aio-libs/aiobotocore/releases)
- [Changelog](https://github.com/aio-libs/aiobotocore/blob/master/CHANGES.rst)
- [Commits](aio-libs/aiobotocore@2.12.2...2.12.3)

---
updated-dependencies:
- dependency-name: aiobotocore
  dependency-type: indirect
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>